Home / 19,104.06-28,641.16-9,103.66

Finding the Fourth Proportional to 19,104.06, 28,641.16 and 9,103.66

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Solution

The fourth proportional to 19,104.06, 28,641.16 and 9,103.66 is: 13,648.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.06 : 28,641.16 = 9,103.66 : x
  2. Step 2: Convert to fraction form
    19,104.06/28,641.16 = 9,103.66/x
  3. Step 3: Cross multiply
    19,104.06x = 28,641.16 × 9,103.66
  4. Step 4: Simplify right side
    19,104.06x = 260,739,382.65
  5. Step 5: Solve for x
    x = 260,739,382.65/19,104.06
  6. Step 6: Final answer
    x = 13,648.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.